<template>
  <div class="app">
  <SonContent @changeTitle="handlerChange" ></SonContent>
  </div>
</template>

<script>
import SonContent from './components/SonContent.vue'
export default {
  data() {

  },
  components: {
    SonContent
  },
  methods:{
    handlerChange(newTitle){
      alert(newTitle)
    }
  }
}
</script>

<style>
</style>


